12797966 has 4 divisors (see below), whose sum is σ = 19196952. Its totient is φ = 6398982.

The previous prime is 12797951. The next prime is 12797971. The reversal of 12797966 is 66979721.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12797966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3199490 + ... + 3199493.

It is an arithmetic number, because the mean of its divisors is an integer number (4799238).

Almost surely, 2^12797966 is an apocalyptic number.

12797966 is a deficient number, since it is larger than the sum of its proper divisors (6398986).

12797966 is an equidigital number, since it uses as much as digits as its factorization.

12797966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398985.

The product of its digits is 285768, while the sum is 47.

The square root of 12797966 is about 3577.4244925644. The cubic root of 12797966 is about 233.9090278755.

The spelling of 12797966 in words is "twelve million, seven hundred ninety-seven thousand, nine hundred sixty-six".